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N80.A59

N80.A59Deep endometriosis of unspecified ureter

Billable / specific codeICD-10-CM

N80.A59 is a billable, specific ICD-10-CM code for deep endometriosis of unspecified ureter. It is valid for submission on a claim.

Risk adjustment

N80.A59 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Related codes at this level

Codes that share N80.A5. If N80.A59 is not quite right, the correct code is usually one of these.

Questions about N80.A59

Is N80.A59 a billable ICD-10-CM code?
Yes. N80.A59 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N80.A59 sit in the tabular list?
Diseases of the genitourinary system (N00-N99), in the block Noninflammatory disorders of female genital tract (N80-N98).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.